The Number

21968

Twenty-One Thousand Nine Hundred and Sixty-Eight

In Base 7 Septenary Is

1210227

The numbers with a 7 subscript use Base 7 Septenary notation.

For more familiar numbers: See Twenty-One Thousand Nine Hundred and Sixty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21965
1210167
Twenty-One Thousand Nine Hundred and Sixty-Five in Base 7 Septenary
21966
1210207
Twenty-One Thousand Nine Hundred and Sixty-Six in Base 7 Septenary
21967
1210217
Twenty-One Thousand Nine Hundred and Sixty-Seven in Base 7 Septenary
21969
1210237
Twenty-One Thousand Nine Hundred and Sixty-Nine in Base 7 Septenary
21970
1210247
Twenty-One Thousand Nine Hundred and Seventy in Base 7 Septenary
21971
1210257
Twenty-One Thousand Nine Hundred and Seventy-One in Base 7 Septenary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.1968e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000052326326100215635437

The reciprocal of 21968 in Base 7 Septenary.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 1210227 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand nine hundred and sixty-eight is a composite number with 10 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and sixty-eight is a composite number with 10 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-one thousand nine hundred and sixty-eight has the following 2 prime factors:

2
27
Two in Base 7 Septenary
1373
40017
One Thousand Three Hundred and Seventy-Three in Base 7 Septenary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

274 · 400171 = 1210227

Base Conversions

The number twenty-one thousand nine hundred and sixty-eight in 35 different bases